The eVic Basic Upgraded mod supports the new preheat, custom logo and RTC functions. And it has the upgradeable firmware V4.14 with maximum output updating to 60W. This mod also features 1500mah built-in capacity and easy to grip with its tiny shape. It supports RTC/VT(Ni/Ti/SS316)/VW/TCR/BYPASS mode and support RTC on OLED screen display.